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Description
The LANSCE Accelerator Modernization Project (LAMP) will replace the front-end of the existing LANSCE accelerator, from ion sources through the end of the 100-MeV drift-tube linac. The LAMP design includes injecting a bunched beam into an RFQ. The RFQ test stand (RFQTS) will demonstrate this technique using an existing RFQ. This paper discusses the design of the low frequency buncher for the RFQTS. CST simulations were used to study the effects of gap length, bunching voltage, and beam-pipe aperture on the transmission efficiency, transit-time factor, emittance growth, and bunching efficiency. The optimized LFB provides effective pre-bunching, while a downstream solenoid focuses the beam to minimize transverse emittance growth and ensure proper injection into the RFQ.
Footnotes
LA-UR-25-31608
Approved for public release; distribution is unlimited.
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